Recently, a malware known as “VPNFilter” was discovered infecting various types of routers. VPNFilter is a modular, multi-stage malware that works mainly on home or small office routers. Since 2016, when the malware was initially introduced, it has compromised more than 500,000 home and small office routers and NAS boxes. Infection of such a large scale could allow the malware’s creators to utilize the affected nodes as a private VPN, making the trace back to the origin of a targeted attack very difficult.